Actuating ring



FIG. 1 is a front elevational view of an actuating ring showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top and right side elevational view thereof; and,

FIG. 6 is a front and side perspective view thereof.

The broken lines shown in the drawings illustrate portions of the actuating ring that form no part of the claimed design. 

CLAIM The ornamental design for an actuating ring, as shown and described. 